Spice it up. To prevent hypertension and boost flavor, cut back on sodium by using more herbs, spices and salt-free seasoning blends when cooking. Not sure where to start? Add lemon juice or vinegar to homemade tomato sauce; the acidity will impart a sensation similar to salt. Or, experiment with herbes de Provence or fines herbes—two sodium-free French spice blends—when cooking meat, poultry or your tomato sauce.